Polymer Composites,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 18, 2024
Abstract
The
present
work
investigates
effect
of
the
incorporation
GNPs
into
epoxy
matrix
composites
reinforced
with
CFs
on
their
electrical,
mechanical
and
viscoelastic
properties.
GNP
content
in
composite
were
added
as
0.1%,
0.2%,
0.3%,
0.4%
by
weight.
study
presents
detailed
analysis
conductivity
mechanism
revealing
an
8‐fold
increase
surface
electrical
at
0.4
wt%
content,
reaching
2.32
S/m.
properties
showed
significant
enhancement
up
to
0.3
wt%,
a
maximum
tensile
strength
1008
MPa
peak
flexural
952
MPa,
highest
impact
13
J/cm
2
.
However,
decline
performance
was
observed
primarily
due
fiber‐matrix
debonding.
DMA
further
revealed
storage
modulus
loss
0.1
10,099
1570
respectively.
higher
adverse
effects
composite's
behavior
observed,
attributed
uneven
distribution
interactions
GNPs.
Highlights
Impact
CFRP
analyzed.
enhance
wt%.
improve
Suitable
mechanisms
illustrated,
correlated
results
discussed.
Journal of Electrical Engineering,
Год журнала:
2025,
Номер
76(1), С. 72 - 79
Опубликована: Фев. 1, 2025
Abstract
This
paper
presents
an
approach
based
on
eddy
currents
induced
by
suitable
magnetic
induction
fields
to
test,
estimate,
and
classify
subsurface
delaminations
in
Carbon
Fibre
Reinforced
Polymer
(CFRP)
plates
for
biomedical
devices.
The
two-dimensional
maps
obtained,
characterised
high
fuzziness,
required
the
software
development
of
a
procedure
highly
efficient
fuzzy
classifier
that
exploits
similarity
computations
with
reduced
computational
load
collecting
similar
(deriving
from
equally
defects)
specific
defects.
hardware
implementation
what
is
designed
(plate-probe
system)
detects
evaluates
entity
defects
due
classification
percentage
comparable
performances
obtained
more
sophisticated
classifiers,
providing
possible
tool
evaluating
potentially
useful
assess
aircraft
compliance
applicable
safety
standards.
Polymer Composites,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 15, 2024
Abstract
Fiber‐reinforced
polymer
composites
(FRPCs)
have
become
integral
to
various
industries
due
their
exceptional
strength‐to‐weight
ratio,
corrosion
resistance,
and
versatility.
Recent
advancements
in
the
properties
recycling
of
FRPCs
reflect
significant
progress
performance
sustainability.
This
paper
reviews
latest
developments
FRPC
technology,
highlighting
innovations
material
formulation,
including
fiber
types,
matrix
materials,
hybrid
that
enhance
mechanical
properties.
Furthermore,
this
review
emphasizes
modification
matrices
by
incorporating
graphene,
which
aims
improve
chemical
bonding
interlocking
between
matrix.
Additionally,
it
addresses
recent
breakthroughs
technologies,
focusing
on
methods
such
as
recycling,
developing
eco‐friendly
matrices.
Integrating
these
lifecycle
management
FRPCs,
reduce
environmental
impact,
support
transition
towards
a
circular
economy.
underscores
balance
enhancing
composite
promoting
sustainable
practices,
paving
way
for
more
environmentally
responsible
applications
FRPCs.
Highlights
The
different
types
fiber‐reinforced
been
thoroughly
reviewed.
How
does
graphene
affect
behavior
laminates?
Provide
systematic
correlation
comparison
fabrication
methods,
deliberated.
Polymer Composites,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 4, 2025
Abstract
This
study
explores
the
surface
modification
of
carbon
fiber
(CF)
with
multi‐walled
nanotubes,
graphene,
and
zinc
oxide
nanoparticles
to
improve
interfacial
adhesion
in
fiber‐reinforced
composites.
A
polydopamine
(PDA)
layer
was
used
as
a
coupling
agent
enhance
deposition
uniformity
nanomaterial
coatings
on
CF.
The
novelty
lies
using
PDA,
which
mimics
mussel
adhesive
proteins,
offering
robust
due
its
amine
catechol
functional
groups.
Elemental
mapping
through
energy
dispersive
x‐ray
spectroscopy,
along
Fourier
transform
infrared
(FTIR)
diffraction
analyses,
confirmed
successful
while
preserving
CF's
graphitic
structure.
Nanoparticle
structures
at
nano‐level
were
examined
under
transmission
electron
microscope.
Contact
angle
measurements
showed
improved
wettability,
decreasing
from
85.9°
52.8°,
increasing
5.10
44.1
J/m
2
,
indicating
better
potential.
modified
CF
demonstrated
bonding
between
matrix
making
them
promising
candidates
for
applications
hydrogen
storage
systems
devices,
such
structural
supercapacitors
batteries.
Highlights
Surface
fibers
properties.
Nanomaterials
grown
two‐step
process
catalyst‐pretreated
dip
coating.
Uniform
coating
by
field
emission
scanning
microscope
analysis.
Increased
functionality
FTIR
spectra.
Improved
wettability
contact
measurements.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 24, 2025
Carbon
fiber
(CF)
has
been
widely
used
in
aerospace,
military,
infrastructure,
sports,
and
leisure
fields
owing
to
its
excellent
mechanical
properties,
superior
corrosion
friction
resistances,
thermal
stability,
lightweight.
However,
the
ultrablack
appearance
derived
from
extremely
strong
absorption
of
light
throughout
entire
visible
region
makes
it
difficult
satisfy
aesthetic
pleasurable
demands
colorful
world
limits
their
applications
a
broader
field.
Herein,
inspired
by
Japanese
jewel
beetle,
double-layer
ultrathin
Al2O3/TiO2
composite
structure
was
fabricated
on
CFs
atomic
layer
deposition
method.
exhibited
desired
color
diversity
controlling
thickness
Al2O3
TiO2
films
without
changing
total
film's
structure.
Meanwhile,
colored
have
no
change/destruction
after
series
environmental
durability
measurements
remarkable
superdurability
flame
retardancy.
Our
work
provides
insights
for
innovative,
high-performance,
multifunctional
CF
that
can
help
achieve
high
quality
sustainable
development
industry.
Polymer Composites,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 25, 2025
Abstract
Carbon
fiber
reinforced
polyimine
(CF/PI)
composites
had
promising
applications
due
to
their
flame
retardancy
and
ease
of
recyclability.
However,
the
mechanical
properties
CF/PI
are
generally
insufficient,
optimizing
interface
between
carbon
(CF)
fabrics
(PI)
matrix
could
effectively
solve
this
problem.
The
interfacial
bonding
CF
PI
was
enhanced
by
a
combination
pre‐treatment
grafting
with
silane
coupling
agent
(APTMS).
laminates
were
prepared
“pre‐fabrication‐lamination”
method
optimize
production
cycle.
Interlaminar
delamination
failure
analyzed
using
cohesive
element
method.
experimental
results
showed
that
grafted
APTMS
treatment
increased
impact
strength,
flexural
interlaminar
shear
strength
(ILSS)
227.5%,
158.2%,
259.8%,
respectively.
simulation
excellent
agreement
results.
scanning
electron
microscopy
morphology
fracture
surface
primary
damage
mechanism,
which
consistent
delamination.
In
paper,
strategy
for
optimization
proposed
first
time,
reliable
numerical
provided.
Highlights
produced
“pre‐fabrication‐lamination”.
Enhanced
grafting.
significant
improvements
in
ILSS.
Cohesive
accurately
predicts
error
less
than
5%.
Polymer Composites,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 8, 2025
Abstract
In
this
study,
carbon
fiber
(CF)
was
recovered
from
reinforced
polymer
(CFRP)
composite
waste
using
microwave‐assisted
chemical
recycling
technique,
utilizing
a
combination
of
acetic
acid
and
hydrogen
peroxide
in
equal
proportions.
The
mechanical
properties
the
(RCF)
were
successfully
improved
by
growing
nanotubes
(CNTs)
on
its
surface
microwave
irradiation
(720
W).
Ferrocene
used
as
catalyst
for
CNTs.
scanning
electron
microscopy
(SEM)
analysis
suggested
hair‐like
dense
growth
RCF
surface.
Raman
spectral
indicated
existence
D
+
D',
G'
peaks
decline
I
/I
G
values
0.9
CNT‐grown
(CNT_RCF)
comparison
to
RCF,
confirming
CNT
growth.
subsequently
develop
composites.
CNTs
facilitated
wettability
acted
an
anchorage
point
at
RCF/epoxy
interface,
resulting
properties.
Compared
RCFRP
composite,
characteristics
developed
composites
such
interlaminar
shear
strength
(ILSS),
ultimate
tensile
(UTS)
fracture
toughness
(ILFT)
(CNT_RCFRP)
increased
8%,
29%,
19%,
respectively.
Highlights
CF
CFRP
MACR
technique.
grown
irradiation.
Mechanical
upcycled
VCF.
ILFT
CNT_RCFRP
enhanced
19%
compared
RCFRP.
contact
angle
correlated
with
ILSS
UTS
Macromolecular Chemistry and Physics,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 8, 2025
Abstract
The
regulation
of
body
temperature
in
dynamic
environments
is
greatly
significant
for
maintaining
human
thermal
comfort.
As
the
second
skin
body,
clothing
performs
a
vital
role
personal
management.
However,
conventional
textiles
are
unable
to
effectively
regulate
extreme
environments.
Therefore,
functional
and
personalized
materials
gradually
entering
horizons.
In
this
review,
modulation
principles,
materials,
latest
research
progress
several
categories
thermoregulation
textiles,
i.e.,
cooling,
warming,
bidirectional
mode
systematically
summarized.
Furthermore,
development
direction
application
prospects
prospected
concluding
part,
aiming
provide
reference
on
fabrics
management
inspire
more
creative
material
design
applications
various
area.
